12905209012401216

Names of 12905209012401216

• Cardinal: 12905209012401216 can be written as Twelve quadrillion, nine hundred five trillion, two hundred nine billion, twelve million, four hundred one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.2905209012401216 × 10¹⁶

Factors of 12905209012401216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 75145

Divisors of 12905209012401216

• Number of divisors d(n): 441
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 144 147 162 168 189 192 196 216 224 243 252 288 294 324 336 378 392 432 441 448 486 504 567 576 588 648 672 729 756 784 864 882 972 1008 1134 1176 1296 1323 1344 1458 1512 1568 1701 1728 1764 1944 2016 2268 2352 2592 2646 2916 3024 3136 3402 3528 3888 3969 4032 4536 4704 5103 5184 5292 5832 6048 6804 7056 7776 7938 9072 9408 10206 10584 11664 11907 12096 13608 14112 15552 15876 18144 20412 21168 23328 23814 27216 28224 31752 35721 36288 40824 42336 46656 47628 54432 63504 71442 75133 81648 84672 95256 108864 127008 142884 150266 163296 190512 225399 254016 285768 300532 326592 381024 450798 525931 571536 601064 676197 762048 901596 1051862 1143072 1202128 1352394 1577793 1803192 2028591 2103724 2286144 2404256 2704788 3155586 3606384 3681517 4057182 4207448 4733379 4808512 5409576 6085773 6311172 7212768 7363034 8114364 8414896 9466758 10819152 11044551 12171546 12622344 14200137 14425536 14726068 16228728 16829792 18257319 18933516 21638304 22089102 24343092 25244688 28400274 29452136 32457456 33133653 33659584 36514638 37867032 42600411 43276608 44178204 48686184 50489376 54771957 56800548 58904272 64914912 66267306 73029276 75734064 85200822 88356408 97372368 99400959 100978752 109543914 113601096 117808544 127801233 129829824 132534612 146058552 151468128 170401644 176712816 194744736 198801918 219087828 227202192 235617088 255602466 265069224 292117104 298202877 302936256 340803288 353425632 383403699 389489472 397603836 438175656 454404384 511204932 530138448 584234208 596405754 681606576 706851264 766807398 795207672 876351312 894608631 908808768 1022409864 1060276896 1168468416 1192811508 1363213152 1533614796 1590415344 1752702624 1789217262 2044819728 2120553792 2385623016 2683825893 2726426304 3067229592 3180830688 3505405248 3578434524 4089639456 4771246032 5367651786 5644967689 6134459184 6361661376 7156869048 8179278912 9542492064 10735303572 11289935378 12268918368 14313738096 16934903067 19084984128 21470607144 22579870756 24537836736 28627476192 33869806134 39514773823 42941214288 45159741512 50804709201 57254952384 67739612268 79029547646 85882428576 90319483024 101609418402 118544321469 135479224536 152414127603 158059095292 171764857152 180638966048 203218836804 237088642938 270958449072 276603416761 304828255206 316118190584 355632964407 361277932096 406437673608 457242382809 474177285876 541916898144 553206833522 609656510412 632236381168 711265928814 812875347216 829810250283 914484765618 948354571752 1066898893221 1083833796288 1106413667044 1219313020824 1264472762336 1371727148427 1422531857628 1625750694432 1659620500566 1828969531236 1896709143504 2133797786442 2212827334088 2438626041648 2489430750849 2528945524672 2743454296854 2845063715256 3200696679663 3251501388864 3319241001132 3657939062472 3793418287008 4115181445281 4267595572884 4425654668176 4877252083296 4978861501698 5486908593708 5690127430512 6401393359326 6638482002264 7315878124944 7468292252547 7586836574016 8230362890562 8535191145768 8851309336352 9602090038989 9754504166592 9957723003396 10973817187416 11380254861024 12802786718652 13276964004528 14631756249888 14936584505094 16460725781124 17070382291536 17702618672704 19204180077978 19915446006792 21947634374832 22404876757641 22760509722048 25605573437304 26553928009056 28806270116967 29263512499776 29873169010188 32921451562248 34140764583072 38408360155956 39830892013584 43895268749664 44809753515282 51211146874608 53107856018112 57612540233934 59746338020376 65842903124496 67214630272923 68281529166144 76816720311912 79661784027168 87790537499328 89619507030564 102422293749216 115225080467868 119492676040752 131685806248992 134429260545846 153633440623824 159323568054336 179239014061128 201643890818769 204844587498432 230450160935736 238985352081504 263371612497984 268858521091692 307266881247648 358478028122256 403287781637538 460900321871472 477970704163008 537717042183384 614533762495296 716956056244512 806575563275076 921800643742944 1075434084366768 1433912112489024 1613151126550152 1843601287485888 2150868168733536 3226302253100304 4301736337467072 6452604506200608 12905209012401216
• Sum of all divisors σ(n): 44664860240296821
• Sum of proper divisors (its aliquot sum) s(n): 31759651227895605
• 12905209012401216 is an abundant number, because the sum of its proper divisors (31759651227895605) is greater than itself. Its abundance is 18854442215494389

Bases of 12905209012401216

• Binary: 101101110110010011100000011110111011111011010001000000₂
• Hexadecimal: 0x2DD9381EEFB440
• Base-36: 3J2IJ6BD000

Squares and roots of 12905209012401216

• 12905209012401216 squared (12905209012401216²) is 166544419653761568822078158278656
• 12905209012401216 cubed (12905209012401216³) is 2149290545480854003537744874382592728799801245696
• 12905209012401216 is a perfect square number. Its square root is 113601096
• The cube root of 12905209012401216 is 234560.5731983301

Scales and comparisons

• 12,905,209,012,401,216 seconds is equal to 410,345,728 years, 8 weeks, 2 days, 22 hours, 33 minutes, 36 seconds.
• To count from 1 to 12,905,209,012,401,216 would take you about one billion, two hundred thirty-one million, thirty-seven thousand, one hundred eighty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12905209012401216 cubic inches would be around 19546.7 feet tall.

Recreational maths with 12905209012401216

• 12905209012401216 backwards is 61210421090250921
• The number of decimal digits it has is: 17
• The sum of 12905209012401216's digits is 45
• More coming soon!